<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
	</head>
	<body>

		请选择你的出生年月：<select>
			<script>
				for (var i = 1990; i < 2025; i++) {
					document.write("<option>" + i + "</option>")
				}
			</script>
		</select>
		<select>
			<script>
				for (var i = 1; i < 13; i++) {
					document.write("<option>" + i + "</option>")
				}
			</script>
		</select>
		
	</body>
</html>
